A Nonlinear Control Framework for Optimal Load-Sharing and Voltage Containment in DC Networks
This letter proposes a general nonlinear control framework for load-sharing and voltage containment of dispatchable generators in dc networks. Our framework covers centralized, distributed, and decentralized control techniques and provides a unified perspective. First, we formulate the control objec...
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| Veröffentlicht in: | IEEE transactions on power systems 2023-01, Vol.38 (1), p.976-979 |
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| container_title | IEEE transactions on power systems |
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| creator | Abdolmaleki, Babak Bergna-Diaz, Gilbert |
| description | This letter proposes a general nonlinear control framework for load-sharing and voltage containment of dispatchable generators in dc networks. Our framework covers centralized, distributed, and decentralized control techniques and provides a unified perspective. First, we formulate the control objective as a steady state optimization problem and derive the Karush-Kuhn-Tucker (KKT) conditions. Second, we propose a nonlinear integral controller that drives the system towards a steady state where the KKT conditions are satisfied and the voltages stay within limits. Third, we propose different model-free methods for obtaining the integral set-point, based on the optimality conditions. Finally, we verify the effectiveness of our proposal via MATLAB-based simulations. |
| doi_str_mv | 10.1109/TPWRS.2022.3216162 |
| format | Article |
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Our framework covers centralized, distributed, and decentralized control techniques and provides a unified perspective. First, we formulate the control objective as a steady state optimization problem and derive the Karush-Kuhn-Tucker (KKT) conditions. Second, we propose a nonlinear integral controller that drives the system towards a steady state where the KKT conditions are satisfied and the voltages stay within limits. Third, we propose different model-free methods for obtaining the integral set-point, based on the optimality conditions. Finally, we verify the effectiveness of our proposal via MATLAB-based simulations.</description><identifier>ISSN: 0885-8950</identifier><identifier>EISSN: 1558-0679</identifier><identifier>DOI: 10.1109/TPWRS.2022.3216162</identifier><identifier>CODEN: ITPSEG</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Containment ; DC networks ; Decentralized control ; Electric potential ; Generators ; Kuhn-Tucker method ; Load modeling ; Load sharing ; Mathematical models ; Nonlinear control ; Optimization ; Power engineering ; Steady state ; Voltage ; Voltage control</subject><ispartof>IEEE transactions on power systems, 2023-01, Vol.38 (1), p.976-979</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Finally, we verify the effectiveness of our proposal via MATLAB-based simulations.</description><subject>Containment</subject><subject>DC networks</subject><subject>Decentralized control</subject><subject>Electric potential</subject><subject>Generators</subject><subject>Kuhn-Tucker method</subject><subject>Load modeling</subject><subject>Load sharing</subject><subject>Mathematical models</subject><subject>Nonlinear control</subject><subject>Optimization</subject><subject>Power engineering</subject><subject>Steady state</subject><subject>Voltage</subject><subject>Voltage control</subject><issn>0885-8950</issn><issn>1558-0679</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtOwzAQRS0EEqXwA7CxxDrFduLXsgoUkKqCaIEVsqaJU1JSuzipEH-P-xCrWcw98zgIXVIyoJTom9nz-8t0wAhjg5RRQQU7Qj3KuUqIkPoY9YhSPFGak1N01rZLQoiIjR76GOKJd03tLASce9cF3-BRgJX98eELVz7gp3VXr6DBYw9lMv2EULsFBlfiN990sLA7DGq3sq7DtcO3OZ7Ybou35-ikgqa1F4faR6-ju1n-kIyf7h_z4TgpGONdAlQJqZjUigMwXQKAJFRwFa-mQBgwWmZc8Eql82wu0oLZIpNayiJGMk7SPrrez10H_72xbWeWfhNcXGmY5JJKoZmMKbZPFcG3bbCVWYf4Wfg1lJitRrPTaLYazUFjhK72UG2t_Qe0ZnEsT_8AKK5tDw</recordid><startdate>202301</startdate><enddate>202301</enddate><creator>Abdolmaleki, Babak</creator><creator>Bergna-Diaz, Gilbert</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Containment DC networks Decentralized control Electric potential Generators Kuhn-Tucker method Load modeling Load sharing Mathematical models Nonlinear control Optimization Power engineering Steady state Voltage Voltage control |
| title | A Nonlinear Control Framework for Optimal Load-Sharing and Voltage Containment in DC Networks |
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